Pololu Jrk USB - Manual (Page 23)

As of firmware version 1.4, the behavior of the jrk 12v12 when the duty cycle is zero depends on the
“When motor is off” configuration option. In previous versions, at a duty cycle of 0, the jrk 12v12 would
brake the motor in one direction but let it coast in the other direction.
3.f. Error Response Options
The Errors tab of the Jrk Configuration Utility
There are several errors that can stop the jrk from driving its motor. For information about what each error means, see
Section 4.f .
The jrk’s response to the different errors can be configured. Each error has up to three different available settings.
• Disabled: The jrk will ignore this error. You can still determine whether the error is occurring by checking the
“Occurrence count” column in the configuration utility, or by using the Get Error Flags Occurred serial command
(
Section 4.f ).
• Enabled: When this error happens, the jrk will turn the motor off. When the error stops happening, the motor
can restart.
• Enabled and Latched: When this error happens, the jrk will turn the motor off and set the Awaiting
Command error bit. The jrk will not drive the motor again until it receives one of the serial set target commands.
The motor can also be restarted from the configuration utility.
Pololu Jrk USB Motor Controller User's Guide © 2001–2014 Pololu Corporation
3. Configuring the Motor Controller Page 23 of 45